@InProceedings{Vorndran-ISR-2018,
Title = {How to Always Keep an Eye on the User with a Mobile Robot?},
Author = {Vorndran, Alexander and Trinh, Thanh Quang and Mueller, {\relax St}effen and Scheidig, Andrea and Gross, Horst Michael},
Booktitle = {Int. Symposium on Robotics (ISR), Munich, Germany},
Year = {2018},
Pages = {219--225},
Publisher = {VDE Verlag}
}